Home / 13,015.20-19,526.32-4,248.96

Finding the Fourth Proportional to 13,015.20, 19,526.32 and 4,248.96

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Solution

The fourth proportional to 13,015.20, 19,526.32 and 4,248.96 is: 6,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.20 : 19,526.32 = 4,248.96 : x
  2. Step 2: Convert to fraction form
    13,015.20/19,526.32 = 4,248.96/x
  3. Step 3: Cross multiply
    13,015.20x = 19,526.32 × 4,248.96
  4. Step 4: Simplify right side
    13,015.20x = 82,966,552.63
  5. Step 5: Solve for x
    x = 82,966,552.63/13,015.20
  6. Step 6: Final answer
    x = 6,374.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.